Quality Influence of Weld Surface Post Treatment on the Fatigue Resistance of Weld Joints

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dc.contributor.authorNový, František
dc.contributor.authorLago, Ján
dc.contributor.authorHadzima, Branislav
dc.contributor.authorBokůvka, Otakar
dc.contributor.organizationUniversity of Žilina, Faculty of Mechanical Engineering, Department of Materials Sciencepl_PL
dc.contributor.organizationUniversity of Žilina, Research Centrepl_PL
dc.date.accessioned2016-11-07T10:55:20Z
dc.date.available2016-11-07T10:55:20Z
dc.date.issued2016
dc.description.abstractThis work deals with fatigue testing of the EN S355 structural steel weld joint. The weld was manufactured by the MIG welding technology and as the filler material was used the G3Si1 wire. The fatigue tests were carried out in the rotating bending mode on the specimens manufactured from the welded joint of the S355 steel. The main aim was to evaluate the fatigue endurance of the weld material and for this reason were used machined axis symmetrical specimens to remove the notch effect of the weld shape. In order to increase the fatigue endurance of the weld, the Nd-YAG laser was used for laser shock peening (LSP) of specimens surfaces, which lead to removing of the weld defects but in overall caused the laser bead on the smooth specimen has behaved as the notch and lead to decreasing of the fatigue endurance. Obtained results of fatigue tests are compared, discussed and supported by correlation with results of additional experiments, e.g. identification of incurred structures after the laser shock peening by the metallographic observations and micro-hardness tests.pl_PL
dc.description.epersonRobert Ulewicz
dc.identifier.isbn978-83-63978-34-1
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/10667
dc.language.isoenpl_PL
dc.publisherOficyna Wydawnicza Stowarzyszenia Menedżerów Jakości i Produkcji (SMJiP)pl_PL
dc.rightsUznanie autorstwa-Na tych samych warunkach 3.0 Polska
dc.rights.urihttp://creativecommons.org/licenses/by-sa/3.0/pl/
dc.subjectlaser shock peeningen
dc.subjectfatigue lifetimeen
dc.subjectweld jointen
dc.subjectS355en
dc.titleQuality Influence of Weld Surface Post Treatment on the Fatigue Resistance of Weld Jointsen
dc.typearticlepl_PL
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